/* ---------- Windows ---------- */
.win{position:relative;background:var(--chrome);border:3px solid var(--blue-700);border-top:0;border-radius:8px 8px 3px 3px;
  box-shadow:3px 3px 0 rgba(18,58,140,.18);will-change:transform}
.win.is-front{box-shadow:4px 4px 0 rgba(18,58,140,.28)}
.win.is-closed{display:none}
.win.is-min>*:not(.titlebar){display:none}
.win.is-min{border-radius:8px 8px 3px 3px}
.titlebar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:5px 6px 5px 10px;border-radius:7px 7px 0 0;user-select:none;
  background:linear-gradient(180deg,#4B8BE0 0%,#2C62CC 45%,var(--blue-700) 100%);color:#fff;font:bold 13px var(--title);text-shadow:1px 1px 0 #10306B}
.titlebar .ttl{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:8px;min-width:0}
.titlebar .ttl svg{flex:none}
.win[data-draggable] .titlebar{cursor:grab}
.win.is-dragging .titlebar{cursor:grabbing}
.wbtns{display:flex;gap:3px;flex:none}
.wbtns button{width:22px;height:22px;padding:0;border:1px solid #fff;border-radius:4px;display:grid;place-items:center;font:bold 12px var(--ui);color:#fff;line-height:1;
  background:linear-gradient(180deg,#5A96E8,#2A5FC4);box-shadow:inset 0 1px 0 rgba(255,255,255,.45)}
.wbtns button:hover{filter:brightness(1.08)}
.wbtns button.x{background:linear-gradient(180deg,#E37A6E,var(--close) 60%,#A8362E)}
.menubar{padding:3px 8px;background:var(--chrome);border-bottom:1px solid var(--chrome-dark);font-size:12px;color:#000;display:flex;flex-wrap:wrap;gap:0 14px}
.menubar a{color:#000;text-decoration:none;padding:1px 2px}
.menubar a:hover{background:var(--blue-700);color:#fff}
.menubar u{text-decoration:underline}
.winbody{background:var(--paper)}

/* ---------- Task pane (Explorer-style) ---------- */
.taskpane{padding:12px 10px;background:linear-gradient(180deg,#6F9BE3,#4D78D0 70%,#4A6FC6)}
.pane{background:#fff;border-radius:5px;margin-bottom:12px;overflow:hidden;border:1px solid #3A64BF}
.pane:last-child{margin-bottom:0}
.pane h4{margin:0;padding:6px 10px;font:bold 12px var(--ui);color:var(--navy);background:linear-gradient(180deg,#fff,#C6D3F7);border-bottom:1px solid #A8BBEA}
.pane ul{list-style:none;margin:0;padding:8px 10px}
.pane li{font-size:12px;line-height:1.35;margin:0 0 7px}
.pane li:last-child{margin:0}
.pane li a{color:var(--navy);text-decoration:none}
.pane li a:hover,.pane li a[aria-current]{text-decoration:underline}
.pane li a[aria-current]{font-weight:bold}
.pane .kv{color:var(--muted)}
.pane .kv b{color:var(--ink);font-weight:normal}
.pane.edition{background:var(--cream);border-color:var(--cream-border);padding:9px 10px;text-align:center}
.pane.edition .n{display:block;font:bold 22px var(--title);color:var(--navy);letter-spacing:.02em}
.pane.edition small{display:block;font:11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--cream-ink)}

/* ---------- Buttons ---------- */
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid #2A6B2E;border-radius:13px;padding:8px 20px;font:bold 13px var(--ui);color:#fff;text-decoration:none;text-shadow:1px 1px 0 #1E5A24;
  background:linear-gradient(180deg,var(--green-300),var(--green-500) 55%,var(--green-700));box-shadow:inset 0 1px 0 rgba(255,255,255,.55),2px 2px 0 rgba(0,0,0,.12);transition:filter .15s,transform .15s}
.pill:hover{filter:brightness(1.07)}
.pill:active{transform:translateY(1px);box-shadow:inset 0 1px 0 rgba(255,255,255,.55),1px 1px 0 rgba(0,0,0,.12)}
.silver{display:inline-flex;align-items:center;gap:8px;border:1px solid #003C74;border-radius:3px;padding:8px 18px;font:12px var(--ui);color:#000;text-decoration:none;
  background:linear-gradient(180deg,#fff,#E6E3D8);box-shadow:inset 0 1px 0 #fff,2px 2px 0 rgba(0,0,0,.12);transition:background .15s}
.silver:hover{background:linear-gradient(180deg,#fff,#F3F1EA)}
.silver:active{box-shadow:inset 0 1px 0 #fff,1px 1px 0 rgba(0,0,0,.12);transform:translateY(1px)}
.silver.sm{padding:5px 12px}
.linkarrow{font:bold 12px var(--ui)}
.linkarrow::after{content:" \2192"}

/* ---------- Group boxes, cards, badges ---------- */
fieldset{margin:0;padding:10px 12px 12px;border:1px solid #C9C5B5;border-radius:4px;background:var(--paper-warm)}
legend{padding:0 6px;font:bold 12px var(--ui);color:var(--navy)}
fieldset p{margin:0;font-size:12.5px;line-height:1.5}
.card{border:1px solid #C9C5B5;border-radius:4px;background:#fff;padding:12px 14px 14px;display:flex;flex-direction:column;gap:8px}
.card .hd{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.card h4{margin:0;font-size:16px}
.card p{margin:0;font-size:12.5px;line-height:1.5;flex:1}
.badge{flex:none;font:bold 10px var(--mono);letter-spacing:.08em;color:#fff;background:var(--green-700);padding:3px 7px;border-radius:2px;white-space:nowrap}
.badge.soon{background:#8A6D1D}
.badge.off{background:#7A7A7A}

/* ---------- Status bar ---------- */
.statusbar{display:flex;gap:6px;flex-wrap:wrap;padding:5px 6px;background:var(--chrome);border-top:1px solid var(--chrome-dark)}
.statusbar span{font:11px var(--mono);letter-spacing:.04em;text-transform:uppercase;color:#333;padding:3px 8px;background:#F4F2EA;
  border:1px solid;border-color:var(--chrome-shadow) #fff #fff var(--chrome-shadow)}
.statusbar span.grow{flex:1}

/* ---------- Dialog (Calculator etc.) ---------- */
.dialog{background:var(--chrome);border:1px solid var(--chrome-shadow);border-radius:4px;padding:12px}
.dialog .lcd{background:#fff;border:1px solid;border-color:var(--chrome-shadow) #fff #fff var(--chrome-shadow);padding:8px 10px;font:bold 22px var(--mono);text-align:right;color:#000}
.dialog label{font-size:12px;display:block;margin-bottom:4px}
input[type=range]{width:100%;accent-color:var(--blue-700)}
.numgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.numgrid div{background:#fff;border:1px solid;border-color:var(--chrome-shadow) #fff #fff var(--chrome-shadow);padding:6px 8px}
.numgrid small{display:block;font-size:11px;color:var(--muted)}
.numgrid b{font:bold 14px var(--mono);color:#000}

/* ---------- Notes, disclosures, formulas ---------- */
.note{background:var(--cream);border:1px solid var(--cream-border);border-radius:4px;padding:10px 12px 10px 38px;position:relative;font-size:13px;margin:0 0 1.2em}
.note::before{content:"i";position:absolute;left:12px;top:11px;width:16px;height:16px;border-radius:50%;background:var(--blue-700);color:#fff;font:bold 11px var(--serif);display:grid;place-items:center}
.note.warn::before{content:"!";background:#B6851A}
.note p:last-child{margin:0}
.disclosure{font:11.5px/1.6 var(--mono);letter-spacing:.04em;text-transform:uppercase;background:#F4F2EA;border:1px solid var(--chrome-shadow);padding:10px 12px;margin:0 0 1.2em;color:#333}
.formula{font:13px/1.6 var(--mono);background:#fff;border:1px solid;border-color:var(--chrome-shadow) #fff #fff var(--chrome-shadow);padding:10px 12px;margin:0 0 1.2em;overflow-x:auto;white-space:pre;color:#000}
.listview{border:1px solid var(--chrome-shadow);background:#fff;margin:0 0 1.2em;overflow-x:auto}
.listview table{min-width:100%}
.listview th{text-align:left;font:bold 12px var(--ui);background:linear-gradient(180deg,#fff,#EBE8DC);border-bottom:1px solid var(--chrome-shadow);border-right:1px solid #E1DED1;padding:6px 9px;white-space:nowrap}
.listview th:last-child{border-right:0}
.listview td{padding:6px 9px;border-bottom:1px dotted #E1DED1;vertical-align:top;font-size:12.5px}
.listview tr:nth-child(even) td{background:#FAF9F3}
.listview tr:last-child td{border-bottom:0}
.listview td.num{font-family:var(--mono);font-size:12px;white-space:nowrap}
.kv-table td:first-child{font-weight:bold;color:var(--navy);white-space:nowrap}

/* ---------- Balloon ---------- */
.balloon{position:fixed;right:18px;bottom:calc(var(--taskbar-h) + 22px);width:300px;max-width:calc(100vw - 36px);background:var(--cream);border:1px solid #000;border-radius:6px;padding:10px 12px 12px;z-index:40;
  box-shadow:2px 2px 0 rgba(0,0,0,.15);opacity:0;transform:translateY(6px);pointer-events:none;transition:opacity .25s,transform .25s}
.balloon.show{opacity:1;transform:none;pointer-events:auto}
.balloon::after{content:"";position:absolute;right:38px;bottom:-11px;border:6px solid transparent;border-top-color:#000;border-bottom:0}
.balloon::before{content:"";position:absolute;right:39px;bottom:-9px;border:5px solid transparent;border-top-color:var(--cream);border-bottom:0;z-index:1}
.balloon .bh{display:flex;align-items:center;gap:6px;font:bold 12px var(--ui);margin-bottom:4px}
.balloon .bh i{flex:none;width:16px;height:16px;border-radius:50%;background:var(--blue-700);color:#fff;font:bold 11px var(--serif);display:grid;place-items:center;font-style:normal}
.balloon .bx{margin-left:auto;border:0;background:none;font:bold 14px var(--ui);padding:0 4px;line-height:1}
.balloon p{margin:0;font-size:12px;line-height:1.45}

/* ---------- Taskbar + Start menu ---------- */
.taskbar{position:fixed;left:0;right:0;bottom:0;height:var(--taskbar-h);z-index:50;display:flex;align-items:stretch;
  background:linear-gradient(180deg,var(--blue-500),#245ED0 40%,var(--blue-700));border-top:1px solid #6FA0EE}
.start{border:0;margin:0;padding:0 16px 0 10px;white-space:nowrap;flex:none;display:flex;align-items:center;gap:8px;color:#fff;font:italic bold 15px var(--title);text-shadow:1px 1px 0 #1E5A24;
  background:linear-gradient(180deg,var(--green-300),var(--green-500) 50%,var(--green-700));border-radius:0 12px 12px 0;box-shadow:inset 0 1px 0 rgba(255,255,255,.5)}
.start:hover,.start[aria-expanded=true]{filter:brightness(1.08)}
.start svg{flex:none}
.tasks{display:flex;gap:4px;align-items:center;padding:0 8px;flex:1;overflow:hidden}
.task{color:#fff;font:12px var(--ui);padding:4px 12px;border-radius:3px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);white-space:nowrap;text-decoration:none;cursor:pointer}
.task.on{background:rgba(0,0,0,.22);font-weight:bold}
.task.off{opacity:.55}
.tray{display:flex;align-items:center;gap:14px;padding:0 12px 0 14px;background:#1440A0;border-left:1px solid #6FA0EE;color:#fff;font:11px var(--mono);letter-spacing:.04em;white-space:nowrap}
.tray b{font-weight:bold}
.startmenu{position:fixed;left:0;bottom:var(--taskbar-h);z-index:60;width:380px;max-width:100vw;background:#fff;border:2px solid var(--blue-700);border-bottom:0;border-radius:8px 8px 0 0;overflow:hidden;
  box-shadow:4px -2px 0 rgba(18,58,140,.2);display:none}
.startmenu.open{display:block}
.startmenu .smhead{padding:10px 12px;display:flex;align-items:center;gap:10px;color:#fff;font:bold 14px var(--title);text-shadow:1px 1px 0 #10306B;
  background:linear-gradient(180deg,#4B8BE0,#2C62CC 50%,var(--blue-700))}
.startmenu .smhead .av{width:34px;height:34px;border-radius:4px;background:#fff;display:grid;place-items:center;border:1px solid #fff}
.startmenu .smcols{display:grid;grid-template-columns:1fr 1fr}
.startmenu .col{padding:8px 6px}
.startmenu .col.r{background:#D3DFF7;border-left:1px solid #A8BBEA}
.startmenu .col h5{margin:4px 8px 6px;font:bold 11px var(--ui);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.startmenu a{display:flex;align-items:center;gap:8px;padding:6px 8px;color:#000;text-decoration:none;font-size:12.5px;border-radius:3px}
.startmenu a:hover{background:var(--blue-700);color:#fff}
.startmenu a small{display:block;color:inherit;opacity:.7;font-size:11px}
.startmenu .smfoot{padding:8px 10px;display:flex;justify-content:flex-end;gap:8px;background:linear-gradient(180deg,#2C62CC,var(--blue-700));border-top:1px solid #A8BBEA}
.startmenu .smfoot a{color:#fff;font-size:12px;padding:4px 8px}
.startmenu .smfoot a:hover{background:rgba(255,255,255,.15)}
.ico{width:18px;height:18px;flex:none;border-radius:3px;display:grid;place-items:center;font:bold 10px var(--ui);color:#fff;background:var(--blue-700)}
.ico.g{background:var(--green-500)}.ico.y{background:#B6851A}.ico.r{background:var(--close)}.ico.n{background:var(--navy)}

@media (max-width:700px){
  .tasks{display:none}
  .tray{flex:1;justify-content:flex-end;gap:10px;padding:0 10px;font-size:10.5px}
  .start{font-size:14px;padding:0 12px 0 8px}
  .startmenu{width:100vw;border-radius:0}
}
@media (max-width:400px){#clock{display:none}.tray{gap:8px}}
@media (prefers-reduced-motion:reduce){
  .balloon,.pill,.silver{transition:none}
}